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73	73	Connection1
74	74
75	75
76		-
77	77	(((
78	78	How to connect with Energy Meter：
79	79	)))
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103	103	Connection2
104	104
105	105
106		-
107	107	[[image:image-20220527092555-7.png]]
108	108
109	109	Connection3
...	...	@@ -171,11 +171,11 @@
171	171	AT+DATACUTx : This command defines how to handle the return from AT+COMMANDx, max reture length is 40 bytes. AT+DATACUTx=a,b,c
172	172	)))
173	173
174		-a:  length for the return of AT+COMMAND
	172	+a: length for the return of AT+COMMAND
175	175
176		-b: 1: grab valid value by byte, max 6 bytes;  2: grab valid value by bytes section, max 3 sections.
	174	+b:1: grab valid value by byte, max 6 bytes. 2: grab valid value by bytes section, max 3 sections.
177	177
178		-c:  define the position for valid value.
	176	+c: define the position for valid value.
179	179
180	180	[[image:image-20220527092936-10.png]]
181	181
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182	182	AT COMMAND
183	183
184	184
185		-
186	186	PAYLOAD is available after the valid value is intercepted.
187	187
188	188
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191	191	AT COMMAND
192	192
193	193
194		-
195	195	You can get configured PAYLOAD on TTN.
196	196
197	197	[[image:image-20220527093133-12.png]]
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257	257
258	258	(% style="color:#4f81bd" %)**01 is device address,00 02 is the current, 08 DC is the voltage,00 00 00 44 is the total active energy.**
259	259
260		-
261		-
262	262	[[image:image-20220527093251-14.png]]
263	263
264	264	AT COMMAND
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324	324	)))
325	325
326	326	(((
327		-
328		-
329	329	(% style="color:#4f81bd" %)**Example:**
330	330	)))
331	331
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338	338	DOWNLINK
339	339
340	340
341		-
342	342	[[image:image-20220527093508-17.png]]
343	343
344	344	DOWNLINK
345	345
346	346
347		-
348	348	[[image:image-20220527093530-18.png]]
349	349
350	350	DOWNLINK
351	351
352	352
353		-
354	354	[[image:image-20220527093607-19.png]]
355	355
356	356	DOWNLINK
357	357
358	358
359		-
360	360	[[image:image-20220527093628-20.png]]
361	361
362	362	DOWNLINK
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389	389	USB
390	390
391	391
392		-
393	393	[[image:image-20220527093747-22.png]]
394	394
395	395	USB
396	396
397	397
398		-
399	399	(((
400	400	The configuration command is consistent with the AT command, input the hexadecimal command directly into the serial port, and the serial port will output the command.
401	401	)))
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423	423	)))
424	424	)))
425	425
426		-[[image:image-20220601142044-1.png]]
	412	+[[image:image-20220527093849-24.png]]
427	427
428	428
429	429	**Example**:These two meters are examples of setting parameters and device addresses.
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450	450	)))
451	451	)))
452	452
453		-[[image:image-20220601142354-2.png]]
	439	+[[image:image-20220527094100-27.png]]
454	454
455	455	(% class="box infomessage" %)
456	456	(((
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477	477
478	478	Its default device address is 01, and the following are the parameters for configuring two energy meters.
479	479
480		-[[image:image-20220601142452-3.png]]
	466	+[[image:image-20220527094150-28.png]]
481	481
482	482
483		-[[image:image-20220601142607-4.png]]
	469	+[[image:image-20220527094224-29.png]]
484	484
485	485	**PAYLOAD:01 08 DF 43 62**
486	486
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507	507
508	508	* [[Connect to SEM Three>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/SEM_Three_Energy_Meter/&file=SEM%20three%20and%20Dragino%20RS485-LN%20v1.pdf]] : Configure Document for RS485-LN
509	509
510		-
511		-
512	512	== 1.6 Example 6:CEM C31 485-T1-MID Energy Meter with RS485-LN ==
513	513
514	514	This instruction is provided by Xavier Florensa Berenguer from [[NORIA GRUPO DE COMPRAS>>url:http://www.gruponovelec.com/]]. It is to show how to use RS485-LN to connect to CEM C31 485-T1-MID and send the data for remote minitor. The structure is like below:

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